<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<style>
    * {
  box-sizing: border-box;
}

ul,
body {
  margin: 0;
  padding: 0;
  list-style: none;
}

body #header {
  width: 100%;
  height: 1.3333rem;
  background-color: #1d6dff;
  padding: 0.1333rem;
}
body #header .left {
  width: 75%;
  margin-left: 0.1333rem;
  padding: 0.1867rem 0;
  float: left;
}
body #header .left a {
  display: block;
}
body #header .left a img {
  height: 0.6667rem;
}
body #header .right {
  float: right;
  padding: 0.1867rem;
}
body #header .right a {
  display: block;
}
body #header .right a img {
  width: 0.9067rem;
  height: 0.9067rem;
}

#search {
  width: 100%;
  background-color: #fff;
  height: 1.3333rem;
  border-bottom: 0.0267rem solid #ccc;
  position: relative;
}
#search .searchbox {
  padding: 0.2667rem;
}
#search .searchbox input {
  width: 90%;
  height: 0.8rem;
  padding-left: 5%;
  border-radius: 0.4rem;
  border: none;
  background-color: #f1f1f1;
  font-size: 0.4267rem;
  outline: none;
}

</style>
<body>
    <header id="header">
        <div class="left">
            <a href="#"><img src="http://chst.vip:8081/for-stu/wfzh/images/header_logo.png" width="70" alt=""></a>
        </div>
        <div class="right"><a href="#"><img src="../images/header_app.png" alt="" width="34"></a>
        </div>
    </header>
    <section id="search">
        <div class="searchbox">
            <input type="text" name placeholder="请输入你想比价的产品">
        </div>
        <div class="button">
        </div>
</body>
</html>